Screw a full size 3 x 5 ft.
Hanging backer board for wall tile.
Membrane faced board only.
Doesn t deteriorate when wet.
Tile needs to be installed on a backer board to keep the assembly stiff otherwise the assembly will flex at the grout joints allowing water to seep behind the tile and rot the substructure.
Cement board commonly sold under trade names such as durock hardiebacker and wonderboard is now the standard underlayment used for ceramic porcelain or stone tile laid with thinset mortar adhesive cement board is used for most floor tile and has all but replaced plywood and drywall backer materials for wall tile applications in wet areas like showers and tub surrounds.
One type of tile backer board is made with a water resistant facing on both sides of the board.
You ve probably heard of hardiebacker tile backer board.
Hardibacker is the best known fiber cement board fiber cement board.
The facing serves as an integrated waterproofing membrane so you don t need to install a separate layer of plastic behind the tile backer or a sheet membrane over the backer.
Never install new tiles over existing tiles or onto an unprotected wood or plywood floor.
The tape will help disperse any movement of the boards and decrease the probability of popping or cracking tiles along the seams.
Cement board to the back wall.
Unlike wood or drywall sub surfaces cement backerboard will not rot warp or grow mold and mildew when exposed to water.
Along each stud but 1 in.
The dense gray material is very heavy so use the smaller size for replacing tub walls.
Place special 1 1 4 in.
Cover the wall studs in plastic sheeting cut down to size with a utility knife to act as a moisture barrier for the wall studs behind the backer board.
The ideal underlayment for ceramic tile is cement backerboard which comes in 1 4 and 1 2 inch thick panels measuring 3 x 5 feet and 4 x 8 feet.
The panels are nasty to handle because of their sharp edges so wear.
Whenever you re laying tile on a wood subfloor you need to first install cement backerboard to prevent leaks and water damage.
To cut a backer board mark the board score it with a.
In some cases you can attach the backer board joints using 2 wide glass fiber mesh cementitious alkali resistant backer unit reinforcing tape see product instructions usually needed for wide areas.
Georgia pacific s densshield is one such product.
Install the backer board.
Measure the work area and cut your boards to fit.
Here s how to choose the best tile backer board for your project.
Choose a backer board that s the same thickness as the drywall so you have a seamless transition from one to the other.
Away from edges to avoid breakage.
Fiber cement board and cement board are closely related.
When the prep work is done start the rewarding job of hanging the cement board.
It s a sort of gray beige colored board and is available at any hardware box store.
Cement board screws every 8 in.
